21961552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 45372096

約数和(自身を除く): 23410544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 263, 272, 307, 526, 614, 1052, 1228, 2104, 2456, 4208, 4471, 4912, 5219, 8942, 10438, 17884, 20876, 35768, 41752, 71536, 80741, 83504, 161482, 322964, 645928, 1291856, 1372597, 2745194, 5490388, 10980776, 21961552]

約数ペア:

[(1, 21961552), (2, 10980776), (4, 5490388), (8, 2745194), (16, 1372597), (17, 1291856), (34, 645928), (68, 322964), (136, 161482), (263, 83504), (272, 80741), (307, 71536), (526, 41752), (614, 35768), (1052, 20876), (1228, 17884), (2104, 10438), (2456, 8942), (4208, 5219), (4471, 4912)]